Finding the Fourth Proportional to 180,114.21, 248,541.28 and 103,612.95
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Solution
The fourth proportional to 180,114.21, 248,541.28 and 103,612.95 is: 142,976.48
Step by Step Solution
- Step 1: Write the proportion equation
180,114.21 : 248,541.28 = 103,612.95 : x - Step 2: Convert to fraction form
180,114.21/248,541.28 = 103,612.95/x - Step 3: Cross multiply
180,114.21x = 248,541.28 × 103,612.95 - Step 4: Simplify right side
180,114.21x = 25,752,094,958.54 - Step 5: Solve for x
x = 25,752,094,958.54/180,114.21 - Step 6: Final answer
x = 142,976.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.